Mosaic trisomy 1q: The longest surviving case
Bibliographic record
Abstract
We present the longest known surviving case of a male infant with a mosaic complete trisomy 1q. Born at 39 weeks of gestation with respiratory distress, his weight was 3,330 g (25th centile); he had micrognathia, a posterior cleft of palate, abnormal ears and left thumb, syndactyly, and an absent corpus callosum. Initial blood karyotype was normal (46,XY). He died at age 5 months. Autopsy suggested aspiration as the primary cause of death and confirmed the antemortem findings of an absent corpus callosum and atrial septal defect. It also identified some central nervous system, cardiac, gastrointestinal, and lung anomalies not previously recognized. Cytogenetic analysis of skin fibroblasts obtained at autopsy showed a de novo unbalanced translocation between chromosomes 1 and 22: 46,XY,+1,der(1;22)(q10;q10)[25]/46,XY[65] in the cells examined. The previously reported cases had a similar phenotype with birth weight above the 50th centile for gestational age, small mouth, micrognathia, abnormal ears, abnormal fingers, microphthalmia, and hydrocephalus. The present case and a review of the literature delineates the phenotype in trisomy 1q, and reinforces the critical importance of effective communication between specialists, and obtaining permission for autopsy and skin biopsy, in the pursuit of a diagnosis.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".